Switch to standard integer types in chrome/browser/, part 2 of 4.

chrome/browser/media/webrtc_browsertest_perf.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/media/webrtc_browsertest_perf.h"
 
+#include <stddef.h>
+
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "testing/perf/perf_test.h"
 
 static std::string Statistic(const std::string& statistic,
                              const std::string& bucket) {
   // A ssrc stats key will be on the form stats.<bucket>-<key>.values.
   // This will give a json "path" which will dig into the time series for the
   // specified statistic. Buckets can be for instance ssrc_1212344, bweforvideo,
@@ skipping 232 matching lines @@
         MaybePrintResultsForAudioSend(ssrc, pc_dict, modifier) ||
         MaybePrintResultsForVideoReceive(ssrc, pc_dict, modifier) ||
         MaybePrintResultsForVideoSend(ssrc, pc_dict, modifier);
     ASSERT_TRUE(did_recognize_stream_type) << "Failed to figure out which "
                                               "kind of stream SSRC " << ssrc
                                            << " is. ";
   }
 }
 
 }  // namespace test